13977370 has 32 divisors (see below), whose sum is σ = 27604800. Its totient is φ = 5053440.

The previous prime is 13977329. The next prime is 13977371. The reversal of 13977370 is 7377931.

13977370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13977371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30906 + ... + 31354.

It is an arithmetic number, because the mean of its divisors is an integer number (862650).

Almost surely, 2^13977370 is an apocalyptic number.

13977370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13977370 is a deficient number, since it is larger than the sum of its proper divisors (13627430).

13977370 is a wasteful number, since it uses less digits than its factorization.

13977370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 27783, while the sum is 37.

The square root of 13977370 is about 3738.6321027884. The cubic root of 13977370 is about 240.8842956238.

The spelling of 13977370 in words is "thirteen million, nine hundred seventy-seven thousand, three hundred seventy".